Shockwave audio - used for bery high quality sound with very small file size.

5 of 25

Quality Of Information

the quality of information is a measure of

the accuracy of the information

how easy the data is to understand

the revleance for a particular use

how up to date the information is.

6 of 25

Experience

when a new system is introduces most users will need to be trained to use it.

users can be taught by

on line tutorials

manuals

books

one to one help

7 of 25

Physical characteristics

people with special or particular needs need to use computers as do disabled people.

users with sensory impairment - the user may not be able to read the letters on the screen clearly so the system can use a font that is easy to read and make sure the size of the font is large enough for the useer to read.

if a user is blind - ICT can help them by the use of a talking computer where the words are spoken when typed in by the user. blind users can also use specila keyboards ( braille keyboards) and use braille printer to produce an output with raised dots.

physical disabilty - this usaly affects th users mobility. for exapmle they may not be ablt to use their arms or hands. or be able to walk. people who are unable to write because to their disabilty can use voice activated systems to imput data into the computer.

8 of 25

Environment of use

ict systems may be used

at home

on the move (trains, planes)

at work

the requiremnts of any ICT system must take this into account. so systems may need to have less cluttered screen designs for smaller devices .

9 of 25

Task to be undertaken

the task to be undertaken will determin the user requirments. eg if alot of text needs to inputted automatic data entry methods coul be used. such as MICR, OCR, OMR.

the user requirement for a website could be

easy to navigate

regular updates

use of correct font

fast load times

10 of 25

Age

a system designed for young people cannot be used by elderly people other wise the system wil be badly desinged so system need to be designed carefully and age needs to be taken into cosideration.

11 of 25

Making systems easier to use

glossary

offer different languages

offer speech regonition for blind people

option to make text bigger/smaller

allow user to change the colour of the backgorund

provide an help option

12 of 25

GUI

A graphival user interface is the most popular human/ computer interface used by sofware manufactures for system and and application software.

with GUI the mouse is used as the main input device.

W - windows

I - icons

M - menus

P -pointers

13 of 25

Appropriate Training

users should not be left to figure out new ICT systems by themselves. it is much more productive to train them properly on new systems that they have to use

it can be done by

on line tutorials

interactive multimedia

facr to face teaching

peper based instruction guides

induvliual tuition one- to -one

14 of 25

Help Desk

help desk are usally manned with someone from the ICT department.their purpose is to give epert advice to users regarding any software and hardware problem they may have.

15 of 25

ICT JOBS

there are many different roles in ICT and many of the roles tend to overlap in small organisations. the main roles held by ict professionals are:

bussiness analyst

software developer/ programmer

web designer

IT trainer

technician

help desk operater

16 of 25

Bussiness Analyst/ System Analyst

typical role:

interveiw business users to determine their requriments for the system

apply the techniques of the system analysis to business problems

be knowledgeable about technical problems

work with developers

work within a budget to produce the best system to solve a business problem

Technical Skills

knowledge of formal techniques

knowledge of application of hardaware and software

a good understanding of both business and ICT - so they understand the bussiness problem

projet management skills - to coordinate activities to everyone

Personal Skills

communication skills - talk to users about what they want from a system

written skills - produce clear reprorts

ability to work in teams - to breif to staff

problem solving skills - logical about solving the problem

attention to detail

17 of 25

Software Developer/ Programmer

Typical Roles

writing new programs to solve business probelms

altering existing programming code to get the program to work differently

debugging and testing programs to remove error

producing program documentation

Technical Skill

programming skills - need to be able to program and write code

testing skills - need to be able to test programs

Personal Programs

abilty to work in teams - need to work with other programmers

attention to detail - small errors can cause programs to crash

ability to work under pressure - programs have deadline. so work needs to be on time.

18 of 25

Web Designer/ Administrator

Typical Roles

creating websites

using prgramming skills and graphic desing skills

making changes to existing websites

ensure that the website works

Technical Skills

proficiency in web design packages - need to be able to create websites and webpages using web desing packages